974238949 has 4 divisors (see below), whose sum is σ = 974994880. Its totient is φ = 973483020.

The previous prime is 974238913. The next prime is 974238961. The reversal of 974238949 is 949832479.

974238949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 974238949 - 2²⁵ = 940684517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 974238949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974238989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376029 + ... + 378610.

It is an arithmetic number, because the mean of its divisors is an integer number (243748720).

Almost surely, 2^974238949 is an apocalyptic number.

It is an amenable number.

974238949 is a deficient number, since it is larger than the sum of its proper divisors (755931).

974238949 is a wasteful number, since it uses less digits than its factorization.

974238949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755930.

The product of its digits is 3919104, while the sum is 55.

The square root of 974238949 is about 31212.8010438025. The cubic root of 974238949 is about 991.3381723664.

The spelling of 974238949 in words is "nine hundred seventy-four million, two hundred thirty-eight thousand, nine hundred forty-nine".